Size Guide

Ball Sizes

Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

B Size

Holds 2 lbs / 0.91 KG

1" Ball

Phones, Action Cameras, Light Duty Tablets

C Size

Holds 4 lbs / 1.81 KG

1.5" Ball

Fishfinders, Heavy Duty Tablets

D Size

Holds 6 lbs / 2.72 KG

2.25" Ball

Monitors, Large Fishfinders

E Size

Holds 15 lbs / 6.8 KG

3.38" Ball

Heavy Monitors

Ball Sizes		Short Arm	Medium Arm	Long Arm
B Size	Overall Length	2.42" / 6.1468cm	3.73" / 9.47cm	6.00" / 15.24cm
B Size	Socket-to-Socket Length	1.75" / 4.45cm	3.00" / 7.62cm	5.31" / 13.49cm
C Size	Overall Length	3.56" / 9.04cm	5.69" / 14.45cm	9.13" / 23.19cm
C Size	Socket-to-Socket Length	2.50" / 6.35cm	4.66" / 11.84cm	8.00" / 20.32cm
D Size	Overall Length	5.10" / 12.95cm	8.44" / 21.44	12.98" / 32.97
D Size	Socket-to-Socket Length	3.60" / 9.14cm	6.88" / 17.48cm	11.41" / 28.98cm
E Size	Overall Length	7.31" / 18.57cm	12.63" / 32.08cm	N/A
E Size	Socket-to-Socket Length	4.98" / 12.65cm	9.88" / 25.10cm	N/A

 / Overview / Fishfinder/Chartplotter

RAM® Universal Marine Electronic Mount with Diamond Base

SKU Copied

SKU: RAM-B-111-238U

UPC Copied

UPC: 793442000904

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RAM® Universal Marine Electronic Mount with Diamond Base

Copy SKU
RAM-B-111-238U SKU: RAM-B-111-238U

Copy UPC
793442000904 | UPC: 793442000904

B SIZE

MEDIUM ARM

Size Guide

The RAM-B-111-238U consists of a double socket arm, 6.17 cm (2.43") X 3.33 cm (1.31") diamond base and 15.88 cm (6.25") X 5.08 cm (2") rectangle base. The diamond base contains two holes 4.86cm (1.912") from center to center, positioned at both ends of the base. The rectangle base contains different combinations of pre-drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more.